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RTX
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June 12, 2026
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Cyber Research Software Engineer II

US-MA-CAMBRIDGE-BBN05 ~ 10 & 50 Moulton St ~ MOULTON B5
Full-time
Onsite
$69K/yr - $131K/yr
Entry, Mid Level
RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. The Cyber Research Software Engineer II role involves developing systems and software to deter and defeat adversaries, with responsibilities including advanced software development, system analysis, and creating unique networking protocols.
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Responsibilities

  • Perform advanced software development in C, with an emphasis on low-level operations
  • Implement software and systems across a variety of architectures and operating systems
  • Analyze systems to understand how they work and what happens when they break
  • Develop unique networking protocols and communication schemes
  • Operationalize our code by thoroughly testing, documenting, and integrating with sponsor systems
  • Travel up to 15%

Qualification

Required

  • Bachelor's Degree in Computer Science, Computer Engineering, Electrical Engineering, Mathematics, or Physics and minimum 2 years prior relevant experience, or an Advanced Degree in a related field
  • Coursework and/or experience designing, developing, modifying, and debugging software or hardware systems or prototypes, with concrete examples of coding projects
  • Programming skills in one or more of: C, C++, Rust, Java, or Python
  • Active and transferable Secret U.S. Government Security Clearance is required on day one

Preferred

  • Experience with system architecture design, prototyping, and technical project leadership
  • Experience with assembly language (x86/64, ARM, PPC, MIPS, etc.)
  • Understanding of network protocols (TCP/IP stacks, wire-level protocols, RF communications, BGP, etc.)
  • Familiarity with security concepts (confidentiality/integrity/availability, authentication/authorization, etc.)
  • Reverse engineering skills using tools such as IDA/Ghidra/BinaryNinja
  • Capture the Flag (CTF) experience
  • Strong verbal and written communication skills in relevant technology topics

Benefits

  • Healthcare
  • Wellness
  • Retirement
  • Work/life benefits
  • Parental (including paternal) leave
  • Flexible work schedules
  • Achievement awards
  • Educational assistance
  • Child/adult backup care
  • Relocation Assistance available
  • Medical
  • Dental
  • Vision
  • Life insurance
  • Short-term disability
  • Long-term disability
  • 401(k) match
  • Flexible spending accounts
  • Employee assistance program
  • Employee Scholar Program
  • Paid time off
  • Holidays
RTX operates as an aerospace and defense company as it solves the hardest problems in aerospace and defense.
Glassdoor
3.8
Founded in 2020
Arlington, Virginia, USA
10001+ employees
http://rtx.com/
RTX operates as an aerospace and defense company as it solves the hardest problems in aerospace and defense.
Glassdoor
3.8
Founded in 2020
Arlington, Virginia, USA
10001+ employees
http://rtx.com/